Table 2 listed the removal of various types of organic pollutantsin soil by the addition of biochar. It can be seen that the removal oforganic pollutants in soil by biochar was affected by many factors,such as the types of feedstock, the applied dose, the targeted pollutants and their concentration.In addition to organic pollutants, biochar can effectively adsorbheavy metal ions in soil. The adsorption mechanism of heavymetals on the biochar mainly includes surface complexation, precipitation, cation exchange, chemical reduction and electrostaticattraction